RFR: 8319447: Improve performance of delayed task handling [v2]

[Doug Lea]

On Fri, 21 Feb 2025 16:28:15 GMT, Viktor Klang <vklang at openjdk.org> wrote:

>> Doug Lea has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Address feedback
>
> src/java.base/share/classes/java/util/concurrent/CompletableFuture.java line 2840:
> 
>> 2838:         Canceller(Future<?> f) { this.f = f; }
>> 2839:         public void accept(Object ignore, Throwable ex) {
>> 2840:             if (f != null)
> 
> @DougLea Does it make sense to create a Canceller with a `null` `f`-parameter?

The usual j.u.c answer: it is never null now, but if there were ever a case in which it were, it's a no-op.

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/23702#discussion_r1966502091